#picaxe 20x2
setfreq m8
init: servo [63286], B.4,75 ; initialise servo
main: servopos B.4,75 ; move servo to one end
pause 2000 ; wait 2 seconds
servopos B.4,250 ; move servo to other end
pause 2000 ; wait 2 seconds
goto main ; loop back to start
My 08M is working just fine in the same setup.